Abstract

Nowadays, the information of selection fertilizer is still being handled manually where we must go to 'Jabatan Pertanian' to get expert service. To solve this problem, an expert system is build to replace an expert service. Expert knowledge is represented in this system to solve the problem and it had been developed which is will replaced the expertise service to unrefer that expert to get her or his knowledge. This system which had been developed to replaced the expertise service is used the expert knowledge to solved the problem. Beside that, this system has been used LISP, programming language and Allegro 6.0 installer and the problem has solved by using production rule. Hopefully, this system will facilitate farm workers or anybody is related to configure the fertilizer to get best and faster result.